. >> he's a graduate of a delaware high school. former classmates said he kept to himself and may have been bullied. abc7 news. >> the shooting caused massive air traffic trouble across the country. hundreds of flights had to be diverted from lax. some were cancelled and some were delayed. we have more on the inconvenience for travelers. >> reporter: just before 9:00 p.m. these weary travelers arrived at sfo. many had been stuck at lax all day. sebastian was coming back from australia. his plane landed at 9:0030 a.m., just minutes after the shooting. >> my brother, who lives in los angeles, texted me on my phone as soon as i landed and said be careful, there's been a shooting there. >> jenne was also traveling to sfo from australia. she realized something was wrong after she got her baggage. >> the doors closed and there was a hold up at the doors. one of the police or tsa said, look, there's been an emergency you are staying here. you are safe. >> they kept us in a baggage claim just like this area for five hours. >> the shooting